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Scintillation and the Vela Pulsar’s Magnetosphere

Published online by Cambridge University Press:  12 April 2016

C. R. Gwinn ,
M. C. Britton ,
J. E. Reynolds ,
D. L. Jauncey ,
E. A. King ,
P. M. McCulloch ,
J. E. J. Lovell ,
C. S. Flanagan ,
D. P. Smits  and
R. A. Preston
...Show all authors
C. R. Gwinn
Affiliation:
University of California, Santa Barbara, CA 93106, U.S.A.
M. C. Britton
Affiliation:
University of California, Santa Barbara, CA 93106, U.S.A.
J. E. Reynolds
Affiliation:
Australia Telescope National Facility, Epping, New South Wales, 2121, Australia
D. L. Jauncey
Affiliation:
Australia Telescope National Facility, Epping, New South Wales, 2121, Australia
E. A. King
Affiliation:
Australia Telescope National Facility, Epping, New South Wales, 2121, Australia
P. M. McCulloch
Affiliation:
Physics Dept., University of Tasmania, Hobart, 7001, Tasmania, Australia
J. E. J. Lovell
Affiliation:
Physics Dept., University of Tasmania, Hobart, 7001, Tasmania, Australia
C. S. Flanagan
Affiliation:
Hartebeesthoek Radio Astronomy Observatory, Krugersdorp, South Africa
D. P. Smits
Affiliation:
Hartebeesthoek Radio Astronomy Observatory, Krugersdorp, South Africa
R. A. Preston
Affiliation:
Jet Propulsion Laboratory, Caltech, Pasadena, CA 91109, U.S.A.
D. L. Jones
Affiliation:
Jet Propulsion Laboratory, Caltech, Pasadena, CA 91109, U.S.A.

Abstract

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Radio-wave scattering in the Vela supernova remnant acts as an imperfect lens to resolve the pulsar’s radio emission region. We use this lens to measure the pulsar’s emission region. We suggest that refraction of radiation within the pulsar’s magnetosphere is responsible for the observed size.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 327 - 328
Copyright
Copyright © Astronomical Society of the Pacific 1998

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